return new DefaultTestReport(buildOperationRunner, buildOperationExecutor)
    }

    def generatesReportWhenThereAreNoTestResults() {
        given:
        report = reportWithMaxThreads(1)
        emptyResultSet()

        when:
        report.generateReport(testResultProvider, reportDir)

        then:
        def index = results(indexFile)
        index.assertHasTests(0)
        index.assertHasFailures(0)